mirror of
https://github.com/BinomialLLC/basis_universal.git
synced 2026-06-08 08:33:53 +00:00
new file for khronos builds
This commit is contained in:
Richard Geldreich
300
khronos/CMakeLists.txt
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300
khronos/CMakeLists.txt
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# Important: The Basis Universal encoder and transcoder libraries must be compiled with -fno-strict-aliasing (MSVC's default, and also the Linux kernel).
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# It should also work without this option, but we do not test with it.
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cmake_minimum_required(VERSION 3.20)
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if (NOT CMAKE_OSX_DEPLOYMENT_TARGET)
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# Needed otherwise Xcode builds with the default installed SDK which can often be
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# more recent than the macOS version being used.
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set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0" CACHE STRING "macOS Deployment Target")
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endif()
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project(basisu C CXX)
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option(BASISU_TOOL "Include basisu tool in build" TRUE)
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option(BASISU_EXAMPLES "Include examples in build" TRUE)
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option(BASISU_STATIC "static linking" TRUE)
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option(BASISU_SAN "sanitize" FALSE)
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# Using a generator expression here prevents multi-config generators (VS, Xcode, Ninja Multi-Config)
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# from appending a per-configuration subdirectory. NOTE: This means the output could be overwritten
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# by a subsequent build for a different configuration.
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY $<1:${CMAKE_CURRENT_SOURCE_DIR}/../bin>)
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# For MSVC builds default to SSE enabled, and determine if it's a 64-bit (-A x64) vs. 32-bit (-A Win32) build.
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if (MSVC)
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# TODO: Fix me for Windows ARM
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option(BASISU_SSE "SSE 4.1 support" TRUE)
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if ( CMAKE_GENERATOR_PLATFORM STREQUAL "Win32" )
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set(BASISU_BUILD_X64 0)
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else()
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set(BASISU_BUILD_X64 1)
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endif()
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add_compile_options(/W4)
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else()
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option(BASISU_SSE "SSE 4.1 support" FALSE)
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option(BASISU_BUILD_X64 "build 64-bit" TRUE)
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endif()
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option(BASISU_ZSTD "ZSTD support for KTX2 transcoding/encoding" TRUE)
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option(BASISU_OPENCL "OpenCL support in encoder" FALSE)
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message("Initial BASISU_BUILD_X64=${BASISU_BUILD_X64}")
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message("Initial CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
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message("Initial BASISU_SSE=${BASISU_SSE}")
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message("Initial BASISU_ZSTD=${BASISU_ZSTD}")
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message("Initial BASISU_OPENCL=${BASISU_OPENCL}")
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message("Initial BASISU_SAN=${BASISU_SAN}")
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message("initial BASISU_TOOL=${BASISU_TOOL}")
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message("initial BASISU_EXAMPLES=${BASISU_EXAMPLES}")
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if(MINGW)
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# Check if the Threads package is provided; if using Mingw it MIGHT be
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find_package(Threads)
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elseif(LINUX)
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find_package(Threads REQUIRED)
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endif()
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if ((NOT WIN32) AND BASISU_OPENCL)
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# For Windows builds we use the Khronos lib/include files in the project's "OpenCL" directory, to completely avoid requiring fiddly to install vendor SDK's.
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# Otherwise we use the system's (if any).
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find_package(OpenCL REQUIRED)
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message(STATUS "OpenCL found: ${OPENCL_FOUND}")
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message(STATUS "OpenCL includes: ${OpenCL_INCLUDE_DIRS}")
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message(STATUS "OpenCL libraries: ${OpenCL_LIBRARIES}")
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endif()
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if( NOT CMAKE_BUILD_TYPE )
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set( CMAKE_BUILD_TYPE Release )
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endif()
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message(${PROJECT_NAME} " build type: " ${CMAKE_BUILD_TYPE})
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if (BASISU_BUILD_X64)
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message("Building 64-bit")
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else()
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message("Building 32-bit")
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endif()
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if (BASISU_SSE)
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message("SSE enabled")
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else()
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message("SSE disabled")
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endif()
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if (BASISU_ZSTD)
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message("Zstandard enabled")
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else()
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message("Zstandard disabled")
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endif()
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if (NOT MSVC)
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add_compile_options($<$<CONFIG:Debug>:-g>)
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# If you want to set an optimization option for non-debug too, use this instead.
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#add_compile_options($<IF:$<CONFIG:Debug>,-g,-O3>)
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if (BASISU_SAN)
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message("Enabling SAN")
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add_compile_options(-fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fno-sanitize=alignment)
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endif()
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# Add common non-MSVC flags excluding -fPIC.
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add_compile_options(-fvisibility=hidden -fno-strict-aliasing -D_LARGEFILE64_SOURCE=1
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-D_FILE_OFFSET_BITS=64 -Wall -Wextra -Wno-unused-local-typedefs
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-Wno-unused-value -Wno-unused-parameter -Wno-unused-variable
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-Wno-misleading-indentation
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-Wno-maybe-uninitialized -Wno-unused-function
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-Wno-stringop-overflow -Wno-unknown-warning-option)
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# Add -fPIC ONLY on non-Windows platforms
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if (NOT WIN32)
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add_compile_options(-fPIC)
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endif()
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# AppleClang 14 raises this warning in zstd.cpp.
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add_compile_options("$<$<AND:$<CXX_COMPILER_ID:Clang,AppleClang>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,17>>:-Wno-bitwise-instead-of-logical>")
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add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-Wno-reorder;-Wno-class-memaccess;-Wno-deprecated-copy>")
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add_compile_options($<$<NOT:$<BOOL:BASISU_BUILD_X64>>:-m32>)
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add_compile_definitions($<$<CONFIG:Debug>:_DEBUG>)
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if (EMSCRIPTEN)
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add_link_options("SHELL:-s ALLOW_MEMORY_GROWTH=1")
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endif()
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else()
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add_compile_options("$<$<CXX_COMPILER_ID:Clang>:-Wno-unused-variable;-Wno-unused-function>")
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endif()
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# Define the source files for the static library
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set(ENCODER_LIB_SRC_LIST
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../encoder/basisu_backend.cpp
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../encoder/basisu_basis_file.cpp
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../encoder/basisu_comp.cpp
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../encoder/basisu_enc.cpp
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../encoder/basisu_etc.cpp
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../encoder/basisu_frontend.cpp
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../encoder/basisu_gpu_texture.cpp
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../encoder/basisu_pvrtc1_4.cpp
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../encoder/basisu_resampler.cpp
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../encoder/basisu_resample_filters.cpp
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../encoder/basisu_ssim.cpp
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../encoder/basisu_uastc_enc.cpp
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../encoder/basisu_bc7enc.cpp
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../encoder/jpgd.cpp
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../encoder/basisu_kernels_sse.cpp
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../encoder/basisu_opencl.cpp
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../encoder/pvpngreader.cpp
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../encoder/basisu_uastc_hdr_4x4_enc.cpp
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../encoder/basisu_astc_hdr_6x6_enc.cpp
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../encoder/basisu_astc_hdr_common.cpp
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../encoder/basisu_astc_ldr_common.cpp
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../encoder/basisu_astc_ldr_encode.cpp
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../encoder/3rdparty/android_astc_decomp.cpp
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../encoder/3rdparty/tinyexr.cpp
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../transcoder/basisu_transcoder.cpp
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)
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set(ENCODER_LIB_HDR_LIST
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../encoder/basisu_astc_hdr_6x6_enc.h
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../encoder/basisu_astc_hdr_common.h
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../encoder/basisu_astc_ldr_encode.h
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../encoder/basisu_backend.h
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../encoder/basisu_basis_file.h
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../encoder/basisu_bc7enc.h
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../encoder/basisu_comp.h
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../encoder/basisu_enc.h
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../encoder/basisu_etc.h
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../encoder/basisu_frontend.h
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../encoder/basisu_gpu_texture.h
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../encoder/basisu_kernels_declares.h
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../encoder/basisu_kernels_imp.h
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../encoder/basisu_math.h
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../encoder/basisu_miniz.h
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../encoder/basisu_ocl_kernels.h
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../encoder/basisu_opencl.h
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../encoder/basisu_pvrtc1_4.h
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../encoder/basisu_resampler_filters.h
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../encoder/basisu_resampler.h
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../encoder/basisu_ssim.h
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../encoder/basisu_uastc_enc.h
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../encoder/basisu_uastc_hdr_4x4_enc.h
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../encoder/cppspmd_flow.h
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../encoder/cppspmd_math_declares.h
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../encoder/cppspmd_math.h
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../encoder/cppspmd_sse.h
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../encoder/cppspmd_type_aliases.h
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../encoder/jpgd.h
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../encoder/pvpngreader.h
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../encoder/3rdparty/android_astc_decomp.h
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../encoder/3rdparty/qoi.h
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../encoder/3rdparty/tinyexr.h
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../transcoder/basisu_astc_hdr_core.h
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../transcoder/basisu_astc_helpers.h
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../transcoder/basisu_containers_impl.h
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../transcoder/basisu_containers.h
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../transcoder/basisu_file_headers.h
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../transcoder/basisu_transcoder_internal.h
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../transcoder/basisu_transcoder_uastc.h
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../transcoder/basisu_transcoder.h
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../transcoder/basisu.h
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../transcoder/basisu_idct.h
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)
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if (BASISU_ZSTD)
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set(ENCODER_LIB_SRC_LIST ${ENCODER_LIB_SRC_LIST} ../zstd/zstd.c)
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set(ENCODER_LIB_HDR_LIST ${ENCODER_LIB_HDR_LIST} ../zstd/zstd.h)
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endif()
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# Create the static library
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add_library(basisu_encoder STATIC ${ENCODER_LIB_SRC_LIST} ${ENCODER_LIB_HDR_LIST})
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target_include_directories(basisu_encoder
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INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../zstd> # So KTX-Software can use it.
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)
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# PUBLIC so it will be exported to dependent programs.
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target_compile_features(basisu_encoder PUBLIC cxx_std_17)
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if (EMSCRIPTEN)
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target_compile_definitions(basisu_encoder PUBLIC BASISU_SUPPORT_SSE=0)
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else()
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target_compile_definitions(basisu_encoder PUBLIC
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BASISU_SUPPORT_SSE=$<IF:$<BOOL:${BASISU_SSE}>,1,0>
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)
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target_compile_options(basisu_encoder PRIVATE
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"$<$<AND:$<BOOL:${BASISU_SSE}>,$<CXX_COMPILER_ID:AppleClang,Clang,GNU>>:-msse4.1>"
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)
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endif()
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target_compile_definitions(basisu_encoder PRIVATE "BASISD_SUPPORT_KTX2_ZSTD=$<IF:$<BOOL:${BASISU_ZSTD}>,1,0>")
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if (BASISU_OPENCL)
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# basisu uses this to confirm the library has been compiled with OpenCL support hence PUBLIC.
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target_compile_definitions(basisu_encoder PUBLIC BASISU_SUPPORT_OPENCL=1)
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if (NOT WIN32) # True when the target system is Windows.
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# For Non-Windows builds, use the system OpenCL headers/libs, if cmake found them.
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target_include_directories(basisu_encoder PRIVATE ${OpenCL_INCLUDE_DIRS})
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target_link_libraries(basisu_encoder PRIVATE ${OpenCL_LIBRARIES})
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else()
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# For Windows builds, we use our local copies of the OpenCL import lib and Khronos headers.
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target_include_directories(basisu_encoder PRIVATE "../OpenCL")
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if (BASISU_BUILD_X64)
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target_link_libraries(basisu_encoder PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../OpenCL/lib/OpenCL64.lib")
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else()
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target_link_libraries(basisu_encoder PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../OpenCL/lib/OpenCL.lib")
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endif()
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endif()
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else()
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target_compile_definitions(basisu_encoder PUBLIC BASISU_SUPPORT_OPENCL=0)
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endif()
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if (NOT MSVC)
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# Only link 'm' on non-Windows platforms (Linux, macOS)
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if (NOT WIN32)
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target_link_libraries(basisu_encoder INTERFACE m)
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endif()
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if(Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
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target_link_libraries(basisu_encoder INTERFACE Threads::Threads)
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elseif(LINUX)
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target_link_libraries(basisu_encoder INTERFACE dl Threads::Threads)
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endif()
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if (BASISU_STATIC AND MINGW)
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target_link_options(basisu_encoder INTERFACE -static-libgcc -static-libstdc++ -static)
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endif()
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endif()
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macro(set_common_executable_properties target)
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#if (MSVC)
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target_sources(${target} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../basisu.manifest")
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#endif()
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target_link_libraries(${target} PRIVATE basisu_encoder)
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if (NOT BASISU_STATIC AND NOT EMSCRIPTEN AND NOT WIN32)
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target_link_options(${target} PUBLIC -Wl,-rpath .)
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endif()
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endmacro()
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if (BASISU_TOOL)
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# Create the basisu executable and link against the static library
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add_executable(basisu ../basisu_tool.cpp)
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set_common_executable_properties(basisu)
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endif()
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if (BASISU_EXAMPLES)
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# Create the new example executable and link against the static library
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add_executable(examples ../example/example.cpp)
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set_common_executable_properties(examples)
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endif()
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if (BASISU_TOOL AND NOT EMSCRIPTEN)
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if (UNIX)
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if (CMAKE_BUILD_TYPE STREQUAL "Release")
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if (APPLE)
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add_custom_command(TARGET basisu POST_BUILD COMMAND strip -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu)
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#message("strip command: strip -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu")
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else()
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add_custom_command(TARGET basisu POST_BUILD COMMAND strip -g -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu)
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#message("strip command: strip -g -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu")
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endif()
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endif()
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endif()
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endif()
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